Chemicals: perceptions versus facts

E-cigarettes: facts, perceptions, and marketing messages.

Electronic cigarettes (e-cigarettes) are perceived as an alternative to standard tobacco cigarette smoking, primarily because of the e-cigarette industry's marketing messages. However, scientific studies about e-cigarette safety and efficacy remain limited. This column presents some of the issues associated with e-cigarette use, such as potential components of regulation, perceptions that e-cig...

Proving Facts: Belief versus Probability

Testisimmune privilege - Assumptions versus facts.

The testis has long enjoyed a reputation as an immunologically privileged site based on its ability to protect auto-antigenic germ cells and provide an optimal environment for the extended survival of transplanted allo- or xeno-grafts. Exploration of the role of anatomical, physiological, immunological and cellular components in testis immune privilege revealed that the tolerogenic environment ...

Scientific Facts Versus Media Misinformation

There are two intentional difference between this version of the article and the original published version. First, the original published version contains an error in Figure 2 which was inadvertently introduced during the editing process. Specifically, the sign of the condom use/HIV correlation was reversed. This electronic version of the article contains the correct version of Figure 2. Secon...

Perceptions of Diversity: Global versus Local Perceptions

Liberalism 5. Gallaudet University promotes diversity 12. Minorities get unnecessary special privileges ahead of more qualified people. 18. Diversity is a non-issue—we all have equal access to resources. 27. My sense of ethnic identity is strengthened by my sense of self and my community.